. >> john: ed henry tonight. thanks. >>> team fox coverage on the school shooting continues ahead, kellogg warning to kids at a new jersey school. don't let strangers in the building. just one way school officials across the country are rethinking ways to keep kids safe. plus, tense moments for schools on the other side of the country. today cops in california saying they bust add potential copy cat. details coming up next ♪ ♪ [ male announcer ] the mercedes-benz winter event is back, with the perfect vehicle that's just right for you, no matter which list you're on. [ santa ] ho, ho, ho, ho! [ male announcer ] lease a 2013 c250 for $349 a month at your local mercedes-benz dealer. aww man. [ male announcer ] returns are easy with free pickup from the u.s. postal service. we'll even drop off boxes if you need them. visit usps.com pay, print, and have it picked up for free. any time of year. ♪ nice sweater. thank you. ♪ >> john: today in california, police announced they have arrested a potential copy cat a